Full Stack Engineer

IIInigence is a Los Angeles–based, AI-driven software development company with 7+ years of experience building advanced applications for startups, enterprises, and global brands. We develop custom AI systems, full-stack web platforms, and high-quality mobile apps across multiple industries.

We are looking for a talented Full Stack & Mobile Engineer with strong React Native or native mobile development experience to join our team on a contract basis. This role is ideal for someone who can build both robust backend systems and polished mobile experiences.

Responsibilities

• Build and maintain full-stack applications using React, Next.Js, Node.Js, and TypeScript
• Develop high-performance mobile applications using React Native , iOS (Swift) , or Android (Kotlin / Java)
• Integrate mobile apps with backend APIs, AI features, and cloud-based services
• Collaborate with AI engineers to embed LLMs, vector search, and agent-based workflows into mobile and web products
• Implement secure authentication, push notifications, offline capabilities, and performant mobile UI / UX patterns
• Write clean, reusable, testable, and scalable code across web and mobile stacks
• Participate in architectural planning and technical decision-making
• Debug, optimize, and ensure smooth performance across devices and screen sizes
• Communicate proactively within a distributed remote team

Required Skills

Preferred Skills (Nice to Have)

What We Offer

About IIInigence

IIInigence is a premier custom AI solutions and software development company based in Los Angeles. With 50+ completed projects across industries, we create intelligent full-stack platforms and advanced mobile applications that empower businesses to scale, innovate, and stay ahead of the market.